OpenTechnical

OT-2026-000013269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013269) never changes.

Identity and time

Publication numberOT-2026-000013269 · never reused
Internal UUID01a0ae6d-6fc9-7395-b9f9-f10c2517980a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013269
StatusPUBLIC

Content hashes

Canonical text56afbd5fb0a3ba65f290534ab067f4b7ee6f619797ebc8a004da8939e8e7dbb7
Markdowne68d3afea3d3069d8a06a92bfc7b4807fc94bffbc2023c834e611216e5d6568d
PDF
Publication page3098ca08630d2df56e6ad6053933dbf4472a7bf8b86c0db8e2cc40e3a04dcec3
Manifest1af410b56bcd623c57ec2abaf20f8e2eebf0dc4128d5a1ddc8a291b5219150bd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureo8jYnlA/i80nglOIt5alEtzYnloXVIlW4DvL9mgslinXil3ImVxsAkeLlXFW1dULf+gcLb5o6xDpleaNygB4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:40.885618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013269
observed 3098ca08630d2df56e6ad6053933dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.868109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013269/manifest.json
observed 1af410b56bcd623c57ec2abaf20f8e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.848562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013269/publication.md
observed e68d3afea3d3069d8a06a92bfc7b4807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:40.830005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013269/publication.txt
observed 56afbd5fb0a3ba65f290534ab067f4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent